go back

Endoscopic Sinus Surgery, Total Ethmoidectomy

South Dakota rates for HCPCS 31257

Sinus surgery carried out through the nostrils with a thin telescope, so there are no cuts on the face. The surgeon opens up the honeycomb of small air cells between the eyes, front and back, taking away the thin walls between them so the sinuses can drain freely. It is done for long-standing sinus infection, polyps or blockage that medicines have not settled.

Rates data updated July 2026.

How much does Endoscopic Sinus Surgery, Total Ethmoidectomy cost?

$759

Typical facility fee. In South Dakota, July 2026.

Insurers have agreed to pay about $759 for this service. Most negotiated rates run $646 to $933.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 6 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $1,023 · 10th to 90th $447 to $4,898Professionalmedian $759 · 10th to 90th $603 to $977
$500$1K$2K$5K$10Kfacility $1,023professional $759

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$446.68
Median
$4,365.16
Typical High
$4,897.79
Aetna
Setting
Facility
Modifier
50 · Both sides
Typical Low
$2,398.83
Median
$7,079.46
Typical High
$7,079.46
Avera
Setting
Facility
Modifier
Global
Typical Low
$426.58
Median
$870.96
Typical High
$5,248.07
Medica
Setting
Facility
Modifier
Global
Typical Low
$537.03
Median
$630.96
Typical High
$3,162.28
Medica
Setting
Facility
Modifier
50 · Both sides
Typical Low
$7,244.36
Median
$7,244.36
Typical High
$7,244.36
Midlands
Setting
Professional
Modifier
Global
Typical Low
$933.25
Median
$977.24
Typical High
$1,023.29
Sanford Health Plan
Setting
Professional
Modifier
Global
Typical Low
$575.44
Median
$741.31
Typical High
$870.96
United
Setting
Facility
Modifier
Global
Typical Low
$3,162.28
Median
$3,162.28
Typical High
$14,454.40

Where South Dakota sits

The same service costs 35.5 times more in New Mexico than in West Virginia. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

South Dakota· 45th of 50

$759

NM $15,488WV $437

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.